class_docstr: Test API-specific details for __import__ (e.g. raising the right
  exception when passing in an int for the module name).
code: def test_negative_level(self):
      # Raise ValueError when a negative level is specified.
      # PEP 328 did away with sys.module None entries and the ambiguity of
      # absolute/relative imports.
      with self.assertRaises(ValueError):
          self.__import__("os", globals(), level=-1)
  
imports: from test.test_importlib import util
  from importlib import machinery
  import sys
  import types
  import unittest
  import warnings
label_desc: Use image node_id 3 for calling the APITest obj's underlying member method code with example usage: obj.test_negative_level() without return types